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Decomposition of a Carbonate

  1. Mar 21, 2015 #1
    • Please post your questions typed, not as pictures.
    1. The problem statement, all variables and given/known data
    http://i.imgur.com/Ypqcw19.png

    2. Relevant equations
    N/A

    3. The attempt at a solution
    Since the reaction involves the breaking of bonds in MCO3, I assume we are looking at coulomb interactions. I'd think the answer is D) BaCO3 because all the options have a 2+ charge, but barium has the largest radius.
     
  2. jcsd
  3. Mar 21, 2015 #2

    Bystander

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    What are the products of the decomposition?
     
  4. Mar 21, 2015 #3

    Matternot

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    Hopefully this link will help. Remember, you're not reacting atoms of the metal, but ions in a compound. It is also more difficult than thinking of which atom is easiest to oxidise. Both metals are oxidised on either side of the reaction.
     
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